The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-080-3258, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-080-3258 |
| Primary Part Number | 12267651 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Head Height | 7.24 MILLIMETERS MINIMUM AND 7.76 MILLIMETERS MAXIMUM MM |
| Fastener Length | 75.34 MILLIMETERS MINIMUM AND 77.76 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 1.75 |
| Thread Length | 20.6 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | FF-B-575,GRADE B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 9.82 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | DISTORTED HEAD |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 17.67 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM MM |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 46.0 MILLIMETERS MINIMUM AND 47.5 MILLIMETERS MAXIMUM MM |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 6G G |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12267651 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| DAX13093 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 5306-01-080-3258 is a Bolt,externally Relieved Body, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-080-3258 has 1 manufacturer part number on file: 12267651 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12267651: Head Height: 7.24 MILLIMETERS MINIMUM AND 7.76 MILLIMETERS MAXIMUM MM; Fastener Length: 75.34 MILLIMETERS MINIMUM AND 77.76 MILLIMETERS MAXIMUM MM; Thread Pitch in Millimeters: 1.75; Thread Length: 20.6 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM MM. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.